<title>CD</title><link href="http://hzoi.com/tomorrow.css" rel="stylesheet"><div class="ui existing segment"><pre><code><span class="pl-cp">#include</span><span class="pl-cpf">&lt;iostream&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;cstring&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;cstdio&gt;</span><span class="pl-cp"></span>
<span class="pl-k">using</span> <span class="pl-k">namespace</span> <span class="pl-n">std</span><span class="pl-p">;</span>
<span class="pl-kt">int</span> <span class="pl-n">m</span><span class="pl-p">,</span><span class="pl-n">n</span><span class="pl-p">;</span>
<span class="pl-k">const</span> <span class="pl-kt">int</span> <span class="pl-n">maxn</span><span class="pl-o">=</span><span class="pl-mf">1e5</span><span class="pl-o">+</span><span class="pl-mi">7</span><span class="pl-p">;</span>
<span class="pl-kt">long</span> <span class="pl-kt">long</span> <span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">maxn</span><span class="pl-p">];</span>
<span class="pl-kt">int</span> <span class="pl-n">vis</span><span class="pl-p">[</span><span class="pl-mi">25</span><span class="pl-p">][</span><span class="pl-n">maxn</span><span class="pl-p">];</span>
<span class="pl-kt">int</span> <span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-mi">25</span><span class="pl-p">];</span>
<span class="pl-kt">int</span> <span class="pl-nf">main</span><span class="pl-p">(){</span>
	<span class="pl-n">freopen</span><span class="pl-p">(</span><span class="pl-s">&quot;cd.in&quot;</span><span class="pl-p">,</span><span class="pl-s">&quot;r&quot;</span><span class="pl-p">,</span><span class="pl-n">stdin</span><span class="pl-p">);</span>
	<span class="pl-n">freopen</span><span class="pl-p">(</span><span class="pl-s">&quot;cd.out&quot;</span><span class="pl-p">,</span><span class="pl-s">&quot;w&quot;</span><span class="pl-p">,</span><span class="pl-n">stdout</span><span class="pl-p">);</span>
    <span class="pl-k">while</span><span class="pl-p">(</span><span class="pl-n">cin</span><span class="pl-o">&gt;&gt;</span><span class="pl-n">m</span><span class="pl-o">&gt;&gt;</span><span class="pl-n">n</span><span class="pl-p">){</span>
        <span class="pl-n">memset</span><span class="pl-p">(</span><span class="pl-n">dp</span><span class="pl-p">,</span><span class="pl-mi">0</span><span class="pl-p">,</span><span class="pl-k">sizeof</span><span class="pl-p">(</span><span class="pl-n">dp</span><span class="pl-p">));</span>
        <span class="pl-n">memset</span><span class="pl-p">(</span><span class="pl-n">vis</span><span class="pl-p">,</span><span class="pl-mi">0</span><span class="pl-p">,</span><span class="pl-k">sizeof</span><span class="pl-p">(</span><span class="pl-n">vis</span><span class="pl-p">));</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;</span><span class="pl-n">n</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">)</span> <span class="pl-n">cin</span><span class="pl-o">&gt;&gt;</span><span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">];</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;</span><span class="pl-n">n</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">){</span>
            <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">j</span><span class="pl-o">=</span><span class="pl-n">m</span><span class="pl-p">;</span><span class="pl-n">j</span><span class="pl-o">&gt;=</span><span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">];</span><span class="pl-n">j</span><span class="pl-o">--</span><span class="pl-p">){</span>
                <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">j</span><span class="pl-o">-</span><span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]]</span><span class="pl-o">+</span><span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">&gt;=</span><span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">j</span><span class="pl-p">]){</span>
                    <span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">j</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">j</span><span class="pl-o">-</span><span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]]</span><span class="pl-o">+</span><span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">];</span>
                    <span class="pl-n">vis</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">][</span><span class="pl-n">j</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span>
                <span class="pl-p">}</span> 
            <span class="pl-p">}</span> 
        <span class="pl-p">}</span> 
        <span class="pl-kt">int</span> <span class="pl-n">w1</span><span class="pl-p">[</span><span class="pl-mi">25</span><span class="pl-p">],</span><span class="pl-n">q</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">;</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-n">n</span><span class="pl-o">-</span><span class="pl-mi">1</span><span class="pl-p">,</span><span class="pl-n">j</span><span class="pl-o">=</span><span class="pl-n">m</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&gt;=</span><span class="pl-mi">0</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">--</span><span class="pl-p">){</span>
            <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">vis</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">][</span><span class="pl-n">j</span><span class="pl-p">]){</span>
                <span class="pl-n">w1</span><span class="pl-p">[</span><span class="pl-n">q</span><span class="pl-o">++</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">];</span>
                <span class="pl-n">j</span><span class="pl-o">=</span><span class="pl-n">j</span><span class="pl-o">-</span><span class="pl-n">w</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">];</span>
            <span class="pl-p">}</span>
        <span class="pl-p">}</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-n">q</span><span class="pl-o">-</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&gt;=</span><span class="pl-mi">0</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">--</span><span class="pl-p">){</span>
            <span class="pl-n">cout</span><span class="pl-o">&lt;&lt;</span><span class="pl-n">w1</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">&lt;&lt;</span><span class="pl-s">&quot; &quot;</span><span class="pl-p">;</span>
        <span class="pl-p">}</span> 
        <span class="pl-n">printf</span><span class="pl-p">(</span><span class="pl-s">&quot;sum:%lld</span><span class="pl-se">\n</span><span class="pl-s">&quot;</span><span class="pl-p">,</span><span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">m</span><span class="pl-p">]);</span> 
    <span class="pl-p">}</span> 
    <span class="pl-k">return</span> <span class="pl-mi">0</span><span class="pl-p">;</span> 
<span class="pl-p">}</span>
</cpde></pre></div>